{
    "decisions": [
        {
            "candidate_id": "refc_783d80e675de88af",
            "decision": "reject",
            "reason_codes": [
                "coincidental_overlap",
                "role_conflict"
            ],
            "grounds": [
                "entity_meaning",
                "role_meaning",
                "example_values"
            ],
            "cited_evidence_ids": [
                "refm_245cfdfab69c7bda",
                "exm_1311ea4d7f211c9d",
                "exm_dc1851a948212227"
            ],
            "claims": [
                {
                    "fact": "distinct_eligible_tuples",
                    "value": 19
                },
                {
                    "fact": "matched_distinct_tuples",
                    "value": 12
                },
                {
                    "fact": "unmatched_distinct_tuples",
                    "value": 7
                }
            ],
            "rationale": "year_pin_last_changed is a calendar year (e.g. 2011, 2013, 2014), not a card identifier. Its 19 distinct year values overlapping small card_id integers is coincidental, so the mapping does not represent a reference to cards."
        }
    ],
    "suggestions": []
}